Table 2.
Physicochemical parameters in the microbial mats during the 2010–2011 sampling period.
| Temperature (°C, sediment) | July (2010) | September (2010) | November (2010) | January (2011) | April (2011) |
|---|---|---|---|---|---|
| 17 | 10 | 9 | 0 | 8 | |
| ST1 | |||||
| (μmol/l) | 128.9 ± 3.0 | 83.7 ± 17.3 | 252.4 ± 25.6 | 191.3.5 ± 23.4 | 233.1 ± 23.7 |
| NO(μmol/l) | 23.3 ± 4.6 | 8.4 ± 1.1 | 11.4 ± 2.1 | 9.6 ± 4.6 | 25.9 ± 3.4 |
| TOC(%) | 0.04 | 0.06 | 0.04 | 0.04 | 0.04 |
| TN(%) | 0.006 | 0.01 | 0.006 | 0.007 | 0.007 |
| C/N | 6.7 | 6.0 | 6.7 | 5.7 | 5.7 |
| Salinity(psu) | 18 | 19 | 15 | 15 | 17 |
| ST2 | |||||
| NH4 +(μmol/l) | 587.9 ± 41.2 | 216.2 ± 69.8 | 1094 ± 91.3 | 736.8 ± 199.6 | 486.1 ± 61.3 |
| NOX-(μmol/l) | 22.4 ± 14.7 | 8.7 ± 1.4 | 9.8 ± 3.2 | 6.2 ± 1.1 | 20.6 ± 4.5 |
| TOC(%) | 0.19 ± 0.01 | 0.20 ± 0.03 | 0.13 ± 0.02 | 0.20 ± 0.03 | 0.17 ± 0.02 |
| TN(%) | 0.03 | 0.04 | 0.02 | 0.03 | 0.03 |
| C/N | 6.3 | 5.0 | 6.5 | 6.7 | 5.7 |
| Salinity(psu) | 28 | 28 | 29 | 30 | 28 |
| ST3 | |||||
| NH4+(μmol/l) | 217.3 ± 102.3 | 255.9 ± 68.4 | 782.6 ± 158.5 | 510.2 ± 62.2 | 475.8 ± 3.5 |
| NOX-(μmol/l) | 16.0 ± 3.7 | 7.6 ± 1.9 | 6.6 ± 1.9 | 2.8 ± 0.6 | 19.6 ± 4.0 |
| TOC(%) | 0.11 ± 0.03 | 0.15 ± 0.02 | 0.18 ± 0.02 | 0.15 ± 0.02 | 0.13 ± 0.02 |
| TN(%) | 0.02 | 0.03 | 0.03 | 0.03 | 0.02 |
| C/N | 5.5 | 5.0 | 6.0 | 5.0 | 6.5 |
| Salinity(psu) | 25 | 25 | 23 | 22 | 23 |
TOC, total organic carbon; TN, Total nitrogen.